/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { ts, rule } from "qvog-dsl";

const SEVERITY = 2;
const DOC_PATH = 'docs/no-console-at-top.md';
const DESCRIPTION = 'Avoid using console.log statements at the top-level of source files, as they can leak debug information into production code.';

function isTopLevel(node: ts.Node): boolean {
    let parent = node.parent;
    while (parent) {
        if (
            ts.isFunctionDeclaration(parent) ||
            ts.isFunctionExpression(parent) ||
            ts.isArrowFunction(parent) ||
            ts.isMethodDeclaration(parent) ||
            ts.isClassDeclaration(parent) ||
            ts.isBlock(parent) // 可以根据需要排除其他局部块
        ) {
            return false; // 在局部作用域里
        }
        if (ts.isSourceFile(parent)) {
            return true; // 到 SourceFile，说明在顶层
        }
        parent = parent.parent;
    }
    return false;
}
export default rule()
  .match(ts.isCallExpression)
  .when(node => {
      // 判断是否是 console.log 调用
      if (
          ts.isPropertyAccessExpression(node.expression) &&
          ts.isIdentifier(node.expression.expression) &&
          node.expression.expression.text === "console" &&
          node.expression.name.text === "log"
      ) {
          // 判断父节点是否是顶层 SourceFile
          return isTopLevel(node); ;
      }
      return false;
  })
  .report({
      severity: SEVERITY,
      description: DESCRIPTION,
      docPath: DOC_PATH,
  });
